import sys
import os
sys.path.append(os.path.dirname(os.path.abspath(__file__)) + '/..')
from database import TradeDB

db = TradeDB()
try:
    print("\n[LS Orderbooks]")
    ls_obs = db.conn.execute("""
        SELECT HOUR(snap_time) as hr, count(*) 
        FROM ls_ws_orderbook 
        WHERE date(snap_time) = '2026-08-31' 
        GROUP BY HOUR(snap_time)
    """).fetchall()
    for row in ls_obs: print(dict(row))

finally:
    db.close()